Resource exhaustion in Oracle Graalvm
CVE-2026-22018
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (17.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Oracle Graalvm — versions 21.3.17
- Oracle Graalvm For Jdk — versions 17.0.18, 21.0.10
- Oracle Jdk — versions 1.8.0, 11.0.30, 17.0.18
- Oracle Jre — versions 1.8.0, 11.0.30, 17.0.18
- Oracle Corporation Graalvm Enterprise Edition — versions 21.3.17
- Oracle Corporation Graalvm For Jdk — versions 17.0.18, 21.0.10
- Oracle Corporation Java Se — versions 8u481, 8u481-b50, 8u481-perf
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpuapr2026.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-22018?
- CVE-2026-22018 is a low-severity vulnerability in Oracle Graalvm, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2026-04-21.
- How severe is CVE-2026-22018?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2026-22018 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.